Vehicle wheel



Feb. 28, 1939. R. STIFFLER VEHICLE WHEEL Filed Nov. 18, 1937 "Em." wrim M U I INVENTOR:

ZZZ WW By W A TTORNEYS.

10 complished quickly and" without extensive and v bl rin 2i. The ring 24 is secured to the 10 a so D city of assembly and of manufacture. Still 4 which. is rrespon in ly formed to at the so 30 Inthe drawing th r Shown awheel equipped rubber is the material chosen. the tire I is vul- 30 are rigidly attached to the inside of the cylinand bolts of the wheel in question are un- In order to prevent the lubricating substance t t :1 and bolts 26 tightened up. The 50 Patented Feb. 2a, 1939 M I 2,148,658

UNITED STATES PATENT o Flci:

I i I Ralph L. Stiffler, Lansdowne, Pa. Application 202$: fell) 0.

My invention relates generally to wheel strucing rings l1 and it which are in turn supported tures and more particularly to wheel structures by a pressed fit within element II as shown.

having demountable rims on which tires are The disc portion 2 has strengthening ribs 2. mounted. a formed therein and radiating, from the hub I in 5 My invention is directed toward the problem a m n r sug esting the spokes of a wheel. The

- of simple and easy replacement of worn tires on i um e t l edge o the i portion I is b the rubber-tired trucks which are in use about over and formed into an annular flange 22 which railway stations and in other industrial uses. is duplicated on t e other side the disc 9 It is important that th change of tir be tion 3 by an annular flange 22 formed on a reheavy apparatus. The pressed-0n type of tire disc p r on 3 by a fastening means comp of which is frequently met with in industry limits bolts 26 and nuts 21 with lock washers of a usual tire changing to stations having the necessa type. The flanges 22 and 22 incline downward tus which cannot b widely dismbuted toward each'other so that the outside edges of 16 d t t to the flanges 22 and 23 are higher than the inner ll,

" My invention wg vides a rugged wheel structure ges of the flanges 2 and T e ansle which which permits quick and eiiicient tire change these flanges n d. 23 make with T mngmuu' without special apparat m and t is mam rial axis of the wheel is comparatively small in object. other obj ts my invention are order to provide full support for the rim member other advantages will appear from the followin flanges 22 and 23. In the illustrated embodiment detailed description of a preferred embodiment of j of m v ntion, the angle of the flanges 22 and my invention, reference b i ha t t accom. 23 with the wheel axis is about 9". The size of 'panying drawing. the rim member 4 is such that the removable ring as Fig. 1 or the dra in shows a partial side e1eva 24 cannot be drawn up to a conta t relation 5 tion of a wheel constructed according to my inwith the disc Portion T insures 8 tight r vention. taining lit for the rim member I as the bolts 26 Fig. 11 is a section taken as indicated by the and nuts. are taken The 11m member 4 o 11.41 of 1 has a tire 5 of rubber or similar substance.

with a roller bearing of conventional type which canized to the rim member 4. Of course any other need not be described in t The wheel com means well known in the art for attaching the slabs of a, hub l mounted rigidly on an x 2 a tire 5 to the rim member ti could be used instead disc portion 2 mounted on the hub I, and a rim of vulcanizmgas member l having a tire 5 attached thereto. The operation of my invention iollows clearly as The hub l consists of two circular elements ID from the above descriptiim but a k further rigidly atta h d to a d spaced longitudinally ments may further clarify the advantages thereof. along the axle 2. Thes el t lg Support gimp when it is desired to change a'tire, one of the lar elements II by means of rollers n positioned spare. rim members l having a tire i is taken to.

40 b tw t elements 0 and H. The elements H the truck for the tire change. Then the nuts 21 40 screwed and the removable ring 2| is easily taken off. Any slight binding is relieved by inserting a screw driver or similar tool into the space between around the axle 2 and confined within the cylinu m We a by we w H $855.2?ii2tt2. 5m .22: a...

the ends of the hub I. This spaceis for lubricamember s which then removed The new ne and the mbricalms substarise is tire is positioned on the flange z: and tapped forced it through valve fitting It into ashug fit. The ring 24 is then replaced and drlcal element II which is the hub proper. It will be noted that a circular area is' formed from running 011i; from the rollers l2 over the change is then com 19133, No special tools are wheel surface, a retaining ring ii of felt or of a required and the change occupies but a few minimilar substance is provided. This ring it is utes. The importance oi'the small inclination in easy contact with the surface of the element of the flanges 22 and 22 must not be overlooked. u ll and. is held in place between two metal retain- If a deep pronounced V-surfa'ce were provided by the flanges 22 and 23, the'advantages of a pressed fit would be 8 the the like a' pressed fit assembly hut without the dlfliculties in changing tires dished radial strengthemng ribs surrounding said hub and simulating flange formed around the of said disc portion, a removable ring attached to said disc portion having .an opposinglydirected flange to said first mentioned flange, flanges each inclining inward Which are inheien t said parts the wheel from their respective circumferential edges to provide n of said flanges with the wheel axis being comparatively slight, a tire supporting rim mounted on said flanges and having its inner contacting surface conforming substantially in shape to said shallow 2. A vehicle wheel as defined in claim 1 wherein the annular flange formed around the edge of disc portion is inclined approximately of nine degrees with respect to the RALPH L. s. 

